When air is forced through a narrow passageway, such as the glottis, the speed of air:
A. creates a jitter
B. decreases
C. increases
D. maintains constant
Ans: C. increases
You might also like to view...
Which of the following is true about photoreceptors?
A) In dim light, images are focused directly on the rods in the fovea centralis. B) Three types of color-sensitive photoreceptors exist: red, green, and yellow. C) Rods absorb light throughout the visual spectrum but confer only gray tone vision. D) If all cones are stimulated equally, all colors are absorbed by the cones and the color perceived is black.
One sign of a UTI is frequent urination, which is called ________________
Fill in the blank(s) with correct word
Sphincter, or dilator, muscles are special circular muscles that open and close to control the passage of substances.?
Indicate whether the statement is true or false
What is it called when the myosin heads pivot and pull on the actin filaments?
A) power stroke B) tropomyosin displacement C) action potential D) troponin